Examine source code of ANIMATED pluie

{
  "name": "ANIMATED pluie",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "pluie_animee.png"
    },
    "colors": {
      "toolbar": "rgba(227, 229, 232, 0.01)",
      "toolbar_field_text": "rgba(119, 131, 163, 1)",
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(209, 188, 188, 1)"
    }
  }
}